SX551

View detailed technical data, stock status, and sourcing information for: SX551
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-275-0544

Item Name Code

04226

Assigment Date

03/17/1988 (38 years ago)

An open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends, designed in such a way as to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound, requiring an initial load to be applied to separate them. Excludes:spring,reinforcing hose.

0.344 inches minimum and 0.406 inches maximum spring free outside diameter, steel overall material, spring end,squared and ground both ends end style, 0.469 inches minimum and 0.531 inches maximum spring free length, 0.175 inches minimum and 0.180 inches maximum inside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.175 inches minimum and 0.180 inches maximum
End Style: spring end,squared and ground both ends
Spring Free Length: 0.469 inches minimum and 0.531 inches maximum
Spring Free Outside Diameter: 0.344 inches minimum and 0.406 inches maximum
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec single treatment response overall
Style Designator: tapered

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5360-00-525-8717	No Name Available	01/01/1993

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
238-109-001	Compression Helical Spring
5340-062-0001	Compression Helical Spring
SX-551C	Compression Helical Spring
SX551	Compression Helical Spring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5360-01-275-0544?

The FSCG of the NSN 5360-01-275-0544 is 5360

Does NSN 5360-01-275-0544 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5360-01-275-0544 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-275-0544 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5360-01-275-0544 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Mar 17, 1988